See Their Smile Grow. The Oral-B Kid’s Manual Toothbrushes featuring PIXAR favorites are the perfect kids toothbrushes healthy smiles. As their oral health evolves and they lose their baby teeth, it is important that they continue to get effective cavity protection for their growing permanent teeth. This toothbrush is sized to surround and clean their pearly whites and reach tricky back teeth while protecting their tender gums with soft bristles. Best of all, this toothbrush is compatible with the interactive Disney MagicTimer App by Oral-B to help your kids brush for a dentist-recommended 2 minutes. Characters may vary.